pos	ref	alt	in_target	n_oysters_with_alt	alt_freq_Pum	alt_freq_Qui	alt_freq_Rio	pop_differentiated	cpg_destroying	Pum1	Qui1	Qui2	Qui3	Qui4	Rio1	Rio2	Rio3	Rio4
18369172	G	T	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/9	0.00/2	0.00/5	0.00/4	0.00/2	0.00/3	0.00/1	0.00/3
18369176	T	C	False	7	0.706	0.426	0.303	False	False	0.71/17	0.25/24	0.59/27	0.40/10	0.43/7	0.14/22	0.59/22	0.14/14	0.28/18
18369213	A	T	False	9	1.0	0.921	0.526	False	False	1.00/15	1.00/21	0.96/26	0.62/8	0.88/8	0.54/26	0.67/18	0.56/16	0.33/18
18369222	G	C	False	1	0.0	0.048	0.0	False	False	0.00/5	0.00/7	0.00/8	0.00/2	0.25/4	0.00/6	0.00/3	0.00/1	0.00/6